Base | Representation |
---|---|
bin | 1011111100100111100… |
… | …0010011110001111100 |
3 | 201121210020220220012120 |
4 | 2333021320103301330 |
5 | 11330323103210122 |
6 | 234142445202540 |
7 | 20554203664056 |
oct | 2771170236174 |
9 | 647706826176 |
10 | 205250444412 |
11 | 7a056585862 |
12 | 33941b60450 |
13 | 16480017810 |
14 | 9d115368d6 |
15 | 551439b75c |
hex | 2fc9e13c7c |
205250444412 has 48 divisors (see below), whose sum is σ = 515895488640. Its totient is φ = 63137089728.
The previous prime is 205250444353. The next prime is 205250444419. The reversal of 205250444412 is 214444052502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205250444419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415443 + ... + 763605.
It is an arithmetic number, because the mean of its divisors is an integer number (10747822680).
Almost surely, 2205250444412 is an apocalyptic number.
It is an amenable number.
205250444412 is an abundant number, since it is smaller than the sum of its proper divisors (310645044228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205250444412 is a wasteful number, since it uses less digits than its factorization.
205250444412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 351962 (or 351960 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 33.
Adding to 205250444412 its reverse (214444052502), we get a palindrome (419694496914).
The spelling of 205250444412 in words is "two hundred five billion, two hundred fifty million, four hundred forty-four thousand, four hundred twelve".
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